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Merged revisions 76240 via svnmerge from

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........
  r76240 | antoine.pitrou | 2009-11-13 17:29:04 +0100 (ven., 13 nov. 2009) | 6 lines

  Issue #6551: test_zipimport could import and then destroy some modules of
  the encodings package, which would make other tests fail further down
  the road because the internally cached encoders and decoders would point
  to empty global variables.
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This commit is contained in:
Antoine Pitrou 2009-11-13 16:31:51 +00:00
parent 8f6713f46d
commit ca15409195
4 changed files with 26 additions and 7 deletions
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17
Lib/test/support.py
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@ -919,6 +919,23 @@ def run_doctest(module, verbosity=None):
(module.__name__, t))
return f, t
#=======================================================================
# Support for saving and restoring the imported modules.
def modules_setup():
return sys.modules.copy(),
def modules_cleanup(oldmodules):
# Encoders/decoders are registered permanently within the internal
# codec cache. If we destroy the corresponding modules their
# globals will be set to None which will trip up the cached functions.
encodings = [(k, v) for k, v in sys.modules.items()
if k.startswith('encodings.')]
sys.modules.clear()
sys.modules.update(encodings)
sys.modules.update(oldmodules)
#=======================================================================
# Threading support to prevent reporting refleaks when running regrtest.py -R